package com.wang.springframework.core.io;

import cn.hutool.core.lang.Assert;

import java.net.MalformedURLException;
import java.net.URL;

/**
 * @author wangjianhua
 * @Description
 * @date 2021/8/24/024 17:56
 **/
public class DefaultResourceLoader implements ResourceLoader {


    @Override
    public Resource getResource(String location) {
        Assert.notNull(location,"Location must not be null");
        if(location.startsWith(CLASSPATH_URL_PREFIX)){
            return new ClassPathResource(location.substring(CLASSPATH_URL_PREFIX.length()));
        }
        else {
            try
            {
                URL url = new URL(location);
                return new UrlResource(url);
            }
            catch (MalformedURLException e)
            {
                return new FileSystemResource(location);
            }
        }
    }
}
